When Aethersnipe enters the battlefield, return target nonland permanent to its owner's hand.
Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Akroma, Angel of Fury can't be countered.
Flying, trample, protection from white and from blue: Akroma, Angel of Fury gets +1/+0 until end of turn.
Morph (You may cast this face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Graft 2 (This creature enters the battlefield with two +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.): Target creature with a +1/+1 counter on it gains reach until end of turn. (It can block creatures with flying.)

Flying
As Archangel of Strife enters the battlefield, each player chooses war or peace.
Creatures controlled by players who chose war get +3/+0.
Creatures controlled by players who chose peace get +0/+3.

When you cast Artisan of Kozilek, you may return target creature card from your graveyard to the battlefield.
Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)